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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,254 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,726 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,965 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,346 |
| — |
| — |
| 0 |
| AS62700US | HOSTMANAGER - HostManager | — | — | 0 |
| AS62777US | VISANET-7 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS63084US | COLOAZ01 - Integrated Endeavors, LLC | — | — | 0 |
| AS63239US | PROJUC - AT&T Services, Inc. | — | — | 0 |
| AS63280US | FACTOR-SYSTEMS - Billtrust | — | — | 0 |
| AS63389US | R-HOSTING1 - Rader Solutions | — | — | 0 |
| AS63411US | VIRTU-46 - Virtu Financial Operating LLC | — | — | 0 |
| AS63439US | RECURLY - Recurly Inc. | — | — | 0 |
| AS64256US | IIPL-ASN - IOSAZ Intellectual Property LLC | — | — | 0 |
| AS64262US | EVOCATIVE4 - Evocative, Inc. | — | — | 0 |
| AS140224US | NEBULA - Nebula Global LLC | — | — | 0 |
| AS198701US | AXIS-CAPITAL-NET Axis Specialty US Services Inc. | — | — | 0 |
| AS198756US | Joseph-Luis-Portillo-III Joseph Portillo | — | — | 0 |
| AS203569US | Frameable-Inc Frameable Inc. | — | — | 0 |
| AS208504US | Satechnology Satechnology LLC | — | — | 0 |
| AS208565US | VINEETHP-AS Vineeth Penugonda | — | — | 0 |
| AS209104US | laprocessing Laprocessing Limited | — | — | 0 |
| AS209496US | SPLINTERNET-ASN Joseph Sensibaugh | — | — | 0 |
| AS212339US | UN SMARTHOST, LLC | — | — | 0 |
| AS213311US | SS-NLD Sneaker Server, LLC | — | — | 0 |
| AS213380US | LOGMEIN-RIPE-1 GOTO GROUP, Inc. | — | — | 0 |
| AS213415US | JellyNet Jiali Shi | — | — | 0 |
| AS214222US | ISC-PWQ1 Internet Systems Consortium Inc. | — | — | 0 |
| AS214346US | HUNTERWEB01 - Hunter Web LLC | — | — | 0 |
| AS214648US | WIRELINK Wirelink LLC | — | — | 0 |
| AS393299US | GOFIBER-SGU - InfoWest | — | — | 0 |
| AS393361US | COF-VDC - Capital One Financial Corporation | — | — | 0 |
| AS393466US | FIBERNET-MONTICELLO - Fibernet Monticello | — | — | 0 |
| AS393589US | MIDWESTDATAINCZCL - Midwest Data, Inc. | — | — | 0 |
| AS393620US | TDN-AUST-BSTLN - Nextlink Broadband | — | — | 0 |
| AS393628US | CONTROLCO - Controlco | — | — | 0 |
| AS393639US | ONG-IVDESK - TheIPGuys.Net, LLC | — | — | 0 |
| AS393643US | GLOBUSGVI - GlobusFamily | — | — | 0 |
| AS393933US | TPR-ASN1 - The Princeton Review | — | — | 0 |
| AS394016US | CASCADE - Cascade Networking, LLC | — | — | 0 |
| AS394038US | GPC-APG - GENUINE PARTS COMPANY | — | — | 0 |
| AS394125US | TSDS-LOCATION4 - CenturyLink Communications, LLC | — | — | 0 |
| AS394164US | POCKETGEMS - Pocket Gems, Inc. | — | — | 0 |
| AS394211US | GENESIS-FS - Genesis Financial Solutions, Inc | — | — | 0 |
| AS394255US | BELLMTSDC-DC01 - Equinix, Inc. | — | — | 0 |
| AS394361US | EIG-AS-RNO - EIG Services, Inc. | — | — | 0 |
| AS394408US | DAVEY - The Davey Tree Expert Company | — | — | 0 |
| AS394497US | TF-178-ASH - Ting Fiber Inc. | — | — | 0 |
| AS394550US | SFCOMPUTE - San Francisco Compute Company | — | — | 0 |
| AS394577US | MQ1973 - Multiquip Inc. | — | — | 0 |
| AS394677US | ITV-AMERICA-AS2 - ITV America Inc | — | — | 0 |